A.刚体会一直保持静止
B.刚体可能会旋转或倾斜
C.刚体的质量会增加
D.刚体的密度会发生变化
A.刚体会一直保持静止
B.刚体可能会旋转或倾斜
C.刚体的质量会增加
D.刚体的密度会发生变化
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829144484.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/17049598292071013.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829238592.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829258741.png">
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829318998.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829341277.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829400149.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829417864.png">
A.5MPa
B.10MPa
C.15MPa
D.0
A.3
B.4
C.6
D.8
A.12
B.4
C.14
D.18
A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/17049597618391010.png">
B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959761922405.png">
C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959761979638.png">
D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959762029364.png">
A.N=6P
B.N=2P
C.N=3P
D.N=P
A.左支座处
B.跨中处
C.左右支座处
D.全梁